A 4-stroke, 4-cylinder Spark Ignition engine is running at a speed of 1800rpm following an air standard Otto- cycle. The engine has a total displacement of 750cm' and a clearance of 90cm'. The heat was added at the rate of 42kJ/s. From the data given, calculate the following: a. Mass of air entering the engine. (kg/s) b. Indicated power output of the engine. (kW) c. Heat rejection Rate (kW)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3. Solve this using explaining step by step solution in words (detailed). Draw also a graph.
A 4-stroke, 4-cylinder Spark Ignition engine is running at a speed of 1800rpm following an air standard Otto-
cycle. The engine has a total displacement of 750cm and a clearance of 90cm. The heat was added at the rate of
42kJ/s. From the data given, calculate the following:
a. Mass of air entering the engine. (kg/s)
b. Indicated power output of the engine. (kW)
c. Heat rejection Rate (kW)
d. Thermal efficiency of the cycle (%). Compare this efficiency value if the cycle has to run on an
air standard Carnot Cycle.
Transcribed Image Text:A 4-stroke, 4-cylinder Spark Ignition engine is running at a speed of 1800rpm following an air standard Otto- cycle. The engine has a total displacement of 750cm and a clearance of 90cm. The heat was added at the rate of 42kJ/s. From the data given, calculate the following: a. Mass of air entering the engine. (kg/s) b. Indicated power output of the engine. (kW) c. Heat rejection Rate (kW) d. Thermal efficiency of the cycle (%). Compare this efficiency value if the cycle has to run on an air standard Carnot Cycle.
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